--- /dev/null
+/**
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.yang.data.impl;
+
+import org.custommonkey.xmlunit.Difference;
+import org.custommonkey.xmlunit.DifferenceConstants;
+import org.custommonkey.xmlunit.DifferenceListener;
+
+/**
+ * Implementatin of {@link DifferenceListener} ignoring white characters around text elements
+ * @author mirehak
+ *
+ */
+public class IgnoreWhiteCharsDiffListener implements DifferenceListener {
+
+ @Override
+ public void skippedComparison(org.w3c.dom.Node control,
+ org.w3c.dom.Node test) {
+ // do nothing
+ }
+
+ @Override
+ public int differenceFound(Difference diff) {
+
+ if (diff.getId() == DifferenceConstants.TEXT_VALUE.getId()) {
+
+ String control = diff.getControlNodeDetail().getValue();
+ if (control != null) {
+ control = control.trim();
+ if (diff.getTestNodeDetail().getValue() != null
+ && control.equals(diff.getTestNodeDetail().getValue().trim())) {
+ return
+ DifferenceListener.RETURN_IGNORE_DIFFERENCE_NODES_SIMILAR;
+ }
+ }
+ }
+ return RETURN_ACCEPT_DIFFERENCE;
+ }
+}